Sram
SRAM QUARQ AXS DFOUR SPIDER 110 BCD
€353,59
€441,99
The SRAM accessory spider Quarq AXS DFour with 110 bolt circle is the ideal technological core to transform your crankset into a precise and reliable power measurement system. Designed to perfectly integrate with SRAM’s AXS ecosystem, this spider is made for those who want to train with accurate data, optimize every pedal stroke, and have full control over their performance. The DFour design is intended to accommodate chainrings compatible with a 110 mm bolt circle, maintaining a clean aesthetic and high rigidity, while the Quarq electronics ensure stable and consistent readings in every condition. Whether you are preparing a granfondo, a stage race, or simply want to bring a scientific approach to your training, this spider is the perfect base to elevate your road bike to the next level.
SRAM QUARQ AXS DFOUR SPIDER 110 BCD main features:
Spider with integrated power meter based on Quarq technology
Compatible with SRAM AXS electronic system for full integration
DFour standard designed for chainrings with 110 mm bolt circle
Accurate and stable power measurement for structured training
Rigid construction for efficient power transmission
Clean and integrated design, ideal for modern road bikes
Ideal solution to upgrade your crankset with an advanced power meter
Sram
SRAM RIVAL AXS CHAINRING 48T 12V ...
€91,20
€114,00
The SRAM rival AXS accessory chainring 48 12 speed black bcd 107mm is the ideal choice for those who want to upgrade or complete their SRAM Rival AXS drivetrain with a reliable, clean, and efficient solution. Designed for use with 12-speed groups, this 48-tooth chainring offers the perfect balance between speed on flat terrain and the ability to tackle challenging climbs, making it ideal for both daily training and gran fondos. The BCD 107 mm design ensures compatibility with dedicated cranksets and a rigid structure, allowing for fast and precise gear changes even under load. The black finish gives your bike a modern and aggressive look while maintaining the clean style typical of SRAM AXS groups. If you are looking for an original component to keep your electronic drivetrain performing at its best, this chainring is the perfect solution.
SRAM RIVAL AXS CHAINRING 48T 12V BLACK BCD 107MM main features:
Original SRAM chainring for 12-speed Rival AXS groups
48 teeth: ideal compromise between flat speed and climbing versatility
BCD 107 mm for compatibility with dedicated SRAM cranksets
Designed for 12-speed drivetrains with smooth and precise shifting
Black finish for a clean and modern look
Rigid structure for better pedaling efficiency
SRAM product code: 00.6218.029.000
Sram
SRAM CHAINRING X-SYNC ROAD 36T 12...
€89,60
€112,00
Chainring X-SYNC ROAD BCD 107 mm 4-holes 1 x 12v - 36 teeth, black
The Sram Chainring X-SYNC ROAD BCD 107 mm 4-holes 1 x 12v - 36 teeth, black is designed for those who want to fully exploit the 1x transmission on road, gravel, or cyclocross bikes. The X-SYNC tooth profile ensures impeccable chain retention even on rough terrain, minimizing the risk of chain drop and improving pedaling silence. With its 36 teeth, it represents an excellent compromise between climbing agility and flat speed, ideal for those seeking control, efficiency, and reliability in every condition. The 4-hole design with BCD 107 mm makes it perfectly compatible with Sram cranksets dedicated to 1x12 groups, while the black finish gives a clean and modern look to your bike.
Chainring X-SYNC ROAD BCD 107 mm 4-holes 1 x 12v - 36 teeth, black main features:
Specific chainring for 1x 12-speed transmissions
BCD 107 mm 4-hole standard for compatible Sram road/gravel cranksets
36 teeth: versatile ratio for climbing, mixed terrain, and gravel
Sram X-SYNC tooth profile for maximum chain retention
Smooth and quiet operation even on rough terrain
Robust and precise construction for reliable shifting over time
Elegant black finish easily matches any setup
Ideal for endurance road, gravel, and cyclocross bikes in 1x configuration
TECHNICAL SPECIFICATIONS:USAGE: GravelNUMBER OF FRONT CHAINRINGS: 1 1SPEEDS: 12 1NUMBER OF CHAINRING TEETH: 44 1BOLT CIRCLE DIAMETER (BCD): 107 mmNUMBER OF MOUNTING HOLES: 4 1ANTI-DROP TEETH WITH NARROW WIDE PROFILE: SICHAINRING SHAPE: RoundCHAINRING OFFSET: 0 mmMATERIAL: AluminumPRIMARY COLOR: BlackSECONDARY COLOR: BlackTECHNOLOGY: X-SYNC ROAD
Shimano
SHIMANO DURA-ACE FC-R9200 CRANKSE...
€539,98
SHIMANO DURA-ACE Crankset FC-R9200 12 speed 52-36T Series Color
The SHIMANO DURA-ACE Crankset FC-R9200 12 speed 52-36T Series Color is the beating heart of the drivetrain for those who demand the best in racing and training. Designed to turn every watt into pure speed, it combines exceptional stiffness with low weight, offering a direct, responsive, and always smooth pedaling feel. The HOLLOWTECH II crank arm technology and HOLLOWGLIDE chainring structure work together to guarantee impeccable power transfer and fast, precise chainring shifting even under heavy load. Made for the most demanding riders, this DURA-ACE crankset is the benchmark for those who want an efficient, reliable drivetrain system perfectly adaptable to their needs, also thanks to the availability of shorter crank arm lengths for a truly custom fitting.
SHIMANO DURA-ACE Crankset FC-R9200 12 speed 52-36T Series Color main features:
Optimal balance between stiffness, durability, weight, and rotational efficiency to maximize performance on every pedal stroke
HOLLOWGLIDE chainring structure: reduced weight without compromising durability
Improved power transfer thanks to the hollow and stiff outer chainring design
Extremely fast and precise chainring shifting, even under load
Light and stiff HOLLOWTECH II crank arms for immediate response to pedal force
Compatible with Shimano DURA-ACE 12-speed drivetrains
52-36T configuration ideal for competitive road use, with a great compromise between flat speed and climbing agility
Available with shorter crank arm lengths for ergonomic fit on any rider
Designed for maximum drivetrain efficiency and professional level performance
TECHNICAL SPECIFICATIONS:MODEL: Shimano DURA-ACE FC-R9200NUMBER OF SPEEDS: 12 1CHAINRING TOOTH COMBINATION: 52-36TTECHNOLOGIES: HOLLOWGLIDE, HOLLOWTECH IIMATERIAL: AluminumPRODUCT TYPE: Road cranksetCOLOR: Series color
Shimano
SHIMANO DURA-ACE Crankset FC-R920...
€539,98
SHIMANO DURA-ACE Crankset FC-R9200 12 speed 165.0 mm 50-34T Color series
The SHIMANO DURA-ACE Crankset FC-R9200 12 speed 165.0 mm 50-34T Color series is designed for cyclists seeking the utmost in efficiency, precision, and lightness. Every watt spent on the pedals is converted into forward motion thanks to a structure engineered to offer the best balance between stiffness, strength, and low weight. The HOLLOWTECH II crank arms and HOLLOWGLIDE chainring technology work together to ensure direct power transfer and immediate response to every acceleration. The result is a crankset that not only enhances race performance but also makes front shifting smoother and more precise, even under load. With a 165 mm crank arm length and 50-34T combination, this version is ideal for those who want a more compact setup, better ergonomics, and an always efficient pedal stroke, both uphill and on flat terrain.
SHIMANO DURA-ACE Crankset FC-R9200 12 speed 165.0 mm 50-34T Color series main features:
Optimal balance between stiffness, strength, weight, and pedaling efficiency to maximize performance in every situation
HOLLOWGLIDE chainring structure: reduced weight without compromising strength, for superior power transfer
Extremely fast and precise chainring shifting, even under load, thanks to Shimano's advanced chainring design
HOLLOWTECH II crank arm technology for a lightweight, stiff, and highly efficient crankset
50-34T configuration ideal for combining speed on flat roads and ease on the toughest climbs
165.0 mm crank arm length, perfect for cyclists seeking better ergonomics and a smoother, more responsive pedal stroke
Part of the DURA-ACE R9200 12-speed series, Shimano's top-of-the-line road cycling group
Compatible with Shimano DURA-ACE R9200 12v drivetrains for top-level race performance
TECHNICAL SPECIFICATIONS:MODEL: Shimano DURA-ACE FC-R9200NUMBER OF SPEEDS: 12 1CRANK ARM LENGTH: 165 mmCHAINRING COMBINATION: 50-34TSERIES: DURA-ACE SeriesTECHNOLOGIES: HOLLOWGLIDE, HOLLOWTECH IIMATERIAL: AluminumCOLOR: Silver/black
Shimano
SHIMANO ULTEGRA FC-R8100 12V50-34...
€276,99
€329,99
Perfect balance of stiffness, strength, weight, and rotational efficiency. The HOLLOWGLIDE construction reduces weight while maintaining strength, for improved power transfer and faster, more precise chainring shifting.
SHIMANO ULTEGRA FC-R8100 12V50-34T 172.5MM CRANKSET KEY FEATURES:
Crank Length (mm): 172.5
Crown Teeth: 50/34
Recommended Pin: 24
Pivot: Hollowtech II
Chainrings: 50/34D
Weight: 710gr.
Q-Factor: 148 mm
Chain line: 44.5 mm
Compatible chain: CN-M8100
Bolt circle: 110mm
2x12v
Sram
Chainring RIVAL AXS X-SYNC 8-BOLT...
from €0,00
€69,00
Chainring RIVAL AXS X-SYNC 8-BOLTS DIRECT MOUNT 1 X 12S - 38 teeth, black
The Sram Chainring RIVAL AXS X-SYNC 8-BOLTS DIRECT MOUNT 1 X 12S - 38 teeth, black is designed for those who want to make the most of 1x12 groups on road, gravel, or cyclocross, with the security and reliability typical of the AXS world. The 8-bolt Direct Mount makes it perfectly compatible with Sram RIVAL AXS cranksets, offering a precise chain line and a clean, modern look. The X-Sync profile teeth ensure optimal chain grip, minimizing the risk of chain drops even on rough terrains or under load shifts. With 38 teeth, this ring is a great compromise between climbing agility and flat speed, ideal for those looking for a versatile and reliable setup for their rides.
Main features of Chainring RIVAL AXS X-SYNC 8-BOLTS DIRECT MOUNT 1 X 12S - 38 teeth, black:
Compatible with Sram 1x 12-speed drivetrains
Sram 8-bolt Direct Mount for RIVAL AXS cranksets
Round 38-tooth chainring, ideal for road, gravel, and CX use
X-Sync tooth profile with anti-drop technology for maximum chain retention
Optimized design for smooth and quiet shifting
Black color for a clean and easily matched aesthetic
TECHNICAL SPECIFICATIONS:USAGE: GravelNUMBER OF FRONT CHAINRINGS: 1 1SPEED: 12 1NUMBER OF TEETH ON CHAINRING: 46 1BOLT CIRCLE DIAMETER (BCD): Direct MountCHAINRING MOUNTING TYPE: Sram 8 Bolts Direct MountNARROW WIDE ANTI-DROP TEETH: SICHAINRING SHAPE: RoundCHAINRING OFFSET: 0 mmMATERIAL: AluminumPRIMARY COLOR: BlackSECONDARY COLOR: BlackNUMBER OF TEETH (MODEL SPECIFIC): 38 1ANTI-DROP TECHNOLOGY: X-SyncNUMBER OF FIXING BOLTS: 8 bolts
Sram
SRAM accessory direct mount chain...
€64,00
€80,00
SRAM accessory direct mount chainring 32 12 speed 3mm offset black boost x0 t-type
The SRAM accessory direct mount 32-tooth 12-speed chainring with 3 mm offset is designed for those who want to fully exploit the performance of modern Boost drivetrains and SRAM X0 T-Type groups. The direct mount design reduces weight and complexity while improving stiffness and shifting precision. The tooth profile is optimized for 12-speed drivetrains, ensuring secure chain retention even on the most technical terrains. The all-black look perfectly integrates with modern MTB, offering a clean, reliable upgrade ready for the most demanding rides.
SRAM accessory direct mount chainring 32 12 speed 3mm offset black boost x0 t-type main features:
SRAM direct mount chainring specifically for modern MTB drivetrains
32 teeth, ideal for trail, all-mountain, and enduro use
Compatible with 12-speed drivetrains
3 mm offset, designed for Boost frame standards
Optimized for SRAM X0 T-Type groups
Direct mount design for increased stiffness and weight reduction
Tooth profile designed for better chain retention
Black finish for a clean and modern look
Perfect as an upgrade or replacement for the latest generation SRAM drivetrains
TECHNICAL SPECIFICATIONS:BRAND: SRAMACCESSORY TYPE: Direct mount chainringNUMBER OF TEETH: 32 1COMPATIBLE SPEEDS: 12 1OFFSET: 3 mmBOOST COMPATIBILITY: BoostSERIES/MODEL: X0 T-TypeCOLOR: Black
Shimano
SHIMANO GRX FC-RX820-2 CRANKSET 1...
€244,99
The SHIMANO GRX Crankset FC-RX820-2 12-speed is designed for those who experience gravel between white roads, fast dirt tracks and long sections of asphalt. Designed for riding on mixed terrain and for racing, it combines lightness, stiffness and pedaling efficiency, allowing you to always keep the right pace, both when attacking in a breakaway and when defending your position in the bunch. The double 2x12 configuration offers closely spaced and progressive gears, ideal for always finding the perfect cadence without excessive jumps between one gear and another. With the 48-31 tooth combination and the diverse crank arm lengths available, this GRX crankset represents the cuore of a moderna gravel drivetrain, capable of accompanying you from the hardest races to endurance adventures.
SHIMANO GRX FC-RX820-2 12-SPEED CRANKSET 48-31T 172.5MM MAIN FEATURES:
Gravel-specific SHIMANO GRX RX820 series 12-speed crankset
Double 2x configuration for a wide gear range and smoother shifting
48-31T chainring combination optimized for mixed terrain and competitive gravel use
Closely spaced, progressive gearing to easily maintain cadence and position in the bunch
Designed to offer an ideal balance between lightness, stiffness and pedaling efficiency
Available crank arm lengths: 170 mm, 172.5 mm and 175 mm
Compatible with SHIMANO GRX 2x12-speed drivetrains
Ideal for gravel racing, endurance and rides on mixed fondi asphalt-dirt
TECHNICAL SPECIFICATIONS:
MODEL: SHIMANO GRX FC-RX820-2
TYPE: Double 2x12-speed crankset
CHAINRING COMBINATION: 48-31T
CRANK ARM LENGTH: 170 mm, 172.5 mm, 175 mm mm
MATERIAL: Aluminum (assumed)
RECOMMENDED USE: Gravel
CATEGORY: Components > Drivetrain > Cranksets and power meters > Cranksets - standard
sram
sram red AXS powermeter crankset ...
€1.076,00
€1.345,00
SRAM crankset red AXS powermeter crank arm 172.5mm chainrings 50-37 12 speeds dub E1
The SRAM Red AXS crankset with powermeter is designed to offer high-level performance to the most demanding cyclists. With a length of 172.5mm and 50-37 tooth chainrings, this crankset allows you to tackle any type of route with confidence, ensuring smooth and precise transmission. Thanks to AXS technology and the DUB E1 design, you will have 12 speeds available to pedal with maximum efficiency and power, both on the road and off-road.
SRAM crankset red AXS powermeter crank arm 172.5mm chainrings 50-37 12 speeds dub E1 main features:
High-quality crankset with integrated powermeter to monitor and improve your performance
Crank arm length of 172.5mm and 50-37 tooth chainrings for optimal pedaling on different terrains
AXS technology and DUB E1 design for smooth and precise transmission on 12 speeds
Ideal for cyclists seeking maximum efficiency and power on the road and off-road
TECHNICAL SPECIFICATIONS:
MARCA: SRAM
MODEL: Red AXS
TYPE: Crankset with integrated powermeter
CRANK ARM LENGTH: 172.5 mm
CHAINRING TEETH: 50-37
COMPATIBLE SPEEDS: 12 1
BOTTOM BRACKET STANDARD: DUB
VERSION: E1
Shimano
corona shimano 44T
€17,00
€25,99
SHIMANO CORONA 44T
The SHIMANO CORONA 44T for FC-E6100 (with double chain guard)/SM-CRE61 is an essential component for your bicycle. Designed and manufactured by SHIMANO, a renowned brand in the cycling sector, this corona offers reliable and long-lasting performance. With this corona, you can enjoy smooth and seamless pedaling on any type of terrain. Thanks to its robust and resistant design, you will be able to face the most demanding challenges without any problems.
MAIN FEATURES OF SHIMANO CORONA 44T:
Specifically designed for the SHIMANO FC-E6100 model.
Equipped with a double chain guard for greater protection and safety.
Made with high-quality materials to ensure durability and strength.
Easy to install and compatible with other components.
ITEM CODE
Y0J144000
Shimano
CORONA SHIMANO 32T
€16,13
€18,98
SHIMANO CORONA 32T
Triple corona Shimano 32T compatible with model FC-MT300-3. 9 speeds.
Specialized
Specialized S211600010 Praxis M30...
€631,58
specialized S211600010 Praxis M30 carbon crank arms for mountain bike turbo SL equipped with SL 1.1 motor.
Praxis M30 carbon crank arms for mountain bike turbo SL equipped with SL 1.1 motor.
Complete crankset
Length: 170 mm
Material: carbon
BB/axle interface: Praxis M30
Q factor: 182 mm
9/16" threaded pedal insert.
Replacement crank bolt and self-extracting cap available separately - S210500002.
Includes rubber crank arm protectors.
Shimano
shimano 40T chainring
€13,00
€21,98
SHIMANO 40T CHAINRING
Triple corona Shimano 40 teeth (for 40-30-22T) compatible with model FC-MT300-3. 9 speeds.
Shimano
shimano 105 39T chainring
€12,00
€18,98
SHIMANO 105 39T CHAINRING
39T-MW FC-R7000 Black chainring
WOLF TOOTH
CORONA WOLF TOOTH SRAM BCD 110 5 ...
€94,47
€102,68
WOLF TOOTH CORONA SRAM BCD 110 5 HOLES 1X 12V - 42 TEETH DROP-STOP B
• Speed: 12 v• Bolt circle diameter (BCD): 110 mm• forma: round• Anti-drop technology: Drop-Stop B• Compatible with cranksets with BCD 110 5 holes• Weight: 58 gCompatible with all 9, 10 and 11-speed chains, with 12-speed Sram Eagle, T-type and FlatTop chains, Connex, Wippermann and Campagnolo.Non compatible with chains: Shimano HG+ 12v, KMC 12v and Campagnolo 13v
4iiii
Crankset with power meter Precisi...
€1.220,00
Crankset with power meter Precision 3+ PRO ULTEGRA R8100 - 50-34D, 172.5 mm
The crankset with power meter Precision 3+ PRO ULTEGRA R8100 is the ultima innovation by 4iiii innovations for cycling enthusiasts seeking alto level performance and precision in power data. With an elegant design and cutting-edge technology, this crankset allows you to maximize your performance in the saddle, offering accurate power measurement with every pedal stroke.
Crankset with power meter Precision 3+ PRO ULTEGRA R8100 - 50-34D, 172.5 mm main features:
Precision 3+ power meter integrated into the crankset for extreme accuracy in data
Compatible with the new Shimano ULTEGRA R8100 groupset for perfect integration and optimal performance
50-34D chainring ratio and 172.5 mm crank length to suit diverse pedaling needs
Lightweight and durable construction to ensure long-lasting performance without compromising efficiency
Shimano
SHIMANO ALIVIO 48T CORONA
€13,00
€21,98
SHIMANO ALIVIO 48T CHAINRING
Chainring to be used with triple Shimano Alivio FC-T4010 9-speed chains with 48-36-26T setup.
Chainring also compatible with Shimano Alivio FC-T4060. This is an "A" match, which indicates that the parts are identical in materials, appearance, finish, dimensions, etc.
If the correct outer chainring is not available, Shimano Alivio FC-M431-8 can also be used. This is a "B" match, which indicates that the parts are usable but differ in materials, appearance, finish, dimensions, etc.
SHIMANO ALIVIO 48T CHAINRING KEY FEATURES:
48 teeth.
Alivio.
Series: T4010.
104 4 BCD.
Material: steel.
9 speeds.
ITEM CODE
Y1PN98220
Hope
HOPE E-BIKE CRANK ARMS 165MM
€254,92
€299,90
HOPE E-BIKE CRANK ARMS 165MM
The HOPE E-BIKE CRANK ARMS 165 MM are designed to be mounted on e-mtb as they offer optimal performance on pedal-assist bikes. The cranksets mounted on e-mtb undergo greater stress than those mounted on traditional mtb and, for this reason, they are shorter and more resistant. The new hope e-bike crank arms are only 165mm long, are made of 7150 aluminum with a Q factor optimized for most of the frame plus electric motor combinations on the market.
HOPE E-BIKE CRANK ARMS 165MM MAIN FEATURES:
Length: 165mm.
Forged and machined crank arms made of 7150 series aluminum alloy.
Q factor optimized for compatibility with most frame / motor combinations.
Compatible with motor systems that use an ISIS interface for splined axle / crank arm.
Self-extracting system for easy installation and removal.
ITEM CODE:
HOCE.165.B (Color: Blue) / HOCE.165.N (Color: Black) / HOCE.165.O (Color: Orange) / HOCE.165.P (Color: Purple) / HOCE.165.R (Color: Red) / HOCE.165.S (Color: Silver)
4iiii
Left crank arm with Precision 3+ ...
€500,00
Left crank with Precision 3+ power meter DEORE XT M8100 - 170 mm
The Left crank with Precision 3+ power meter DEORE XT M8100 - 170 mm by 4iiii Innovations is designed to offer high-level performance and precision to the most demanding cyclists. With this crank, you can accurately monitor your power during your cycling sessions, improving your performance and maximizing your training.
Left crank with Precision 3+ power meter DEORE XT M8100 - 170 mm main features:
Precision 3+ power meter integrated into the left crank for accurate in real-time power measurement
Compatible with the DEORE XT M8100 system for perfect integration with the drivetrain
Crank length of 170 mm ideal for efficient and powerful pedaling
WOLF TOOTH
wolf TOOTH RACE FACE CINCH DIRECT...
€90,91
€98,82
WOLF TOOTH RACE FACE CINCH DIRECT MOUNT 1X 11/12S CHAINRING - 30 TEETH, DROP-STOP A
• Speed: 11/12 s• Bolt circle diameter (BCD): Direct Mount Cinch• Forma: round• Anti-drop technology: Drop-Stop A• Compatible with Race Face Turbine, Next SL, Sixc & Aeffect cranksets• Weight: 58 gCompatible with all 9, 10 and 11 speed chains and with 12S Sram Eagle, Connex and Wippermann chains.Non compatible with chains: Sram T-type 12s, Sram FlatTop 12s, Shimano HG+ 12s, KMC 12s and Campagnolo 12s/13s
Shimano
CORONA SHIMANO 36D-MB
€12,00
€18,98
CORONA SHIMANO 36D-MB
Corona shimano 36 teeth 2x11 speed.
Shimano
SHIMANO SLX 26T CHAINRING
€22,94
€26,99
CORONA SHIMANO SLX 26T
The corona SHIMANO SLX 26T is a high-quality component designed for the FC-M7000-11-2, FC-M7000-11-B2, FC-MT600-2 and FC-MT600-B2 groupsets. This corona is perfect for cycling enthusiasts looking for reliable and long-lasting performance during their mountain bike adventures.
CORONA SHIMANO SLX 26T MAIN FEATURES:
Compatibility: specifically designed for FC-M7000-11-2, FC-M7000-11-B2, FC-MT600-2 and FC-MT600-B2 drivetrains.
Teeth: the 26T corona offers an ideal gear ratio for tackling demanding climbs and maintaining a good speed on flat terrain.
High-quality materials: made with strong and lightweight materials, this corona offers long service life and reliable performance even in the most demanding conditions.
Easy installation: the corona is easy to install and requires few tools to be mounted.
Attractive design: the elegant and modern design of the SLX corona will add a touch of style to your bicycle.
ITEM CODE
Y1VG26000
Race Face
CORONA RACE FACE 42 TURBINE 104X4...
€110,41
€129,89
CORONA RACE FACE 42 TURBINE 104X42 10 SPEED
The corona Turbine by Race Face is made of 7075 aluminum, a light and resistant material that offers exceptional shifting. It features an asymmetrical tooth profile and, thanks to the diverse zone of chain ascent and descent, shifting is instantaneous, smooth and silent. Being three times more rigida than previous versions, it offers greater resistance to impacts without compromising weight.
CORONA RACE FACE 42 TURBINE 104X42 10 SPEED main features:
Asymmetrical tooth profile
More diverse zone of chain ascent and descent
Smooth and silent shifting
Three times more rigida than previous versions
Excellent impact resistance
Material: 7075 aluminum
10 speeds
104x42